[Amps] B- questions

David H Craig davidhcraig at verizon.net
Tue Nov 10 09:10:00 PST 2009


    Seems to me it has to read BOTH in that configuration.


> About,
>
> "...Isn't it also true that in a grid driven amplifier, the cathode is
> connected to ground and the only B- connection to ground is through the
> plate current meter.  This is done so the plate current meter isn't also
> reading screen current. (etc.)"
>
>
> So with a GG triode, a meter in the neg lead of the power supply filter 
> caps
> to chassis ground, reads only plate current and not any grid current, 
> right?
>
> TNX,  Roy    K6XK
>
>
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